Click on the third or sixth rank to set the en passant target square.

EGTB: loss in 5 half-moves

# move score
1 Kf7 loss in 4 half-moves
2 Kf8 loss in 4 half-moves
3 b5 loss in 2 half-moves
4 Ke7 loss in 2 half-moves
5 Nf6 loss in 2 half-moves
6 Nf8 loss in 2 half-moves
7 Ng5 loss in 2 half-moves
8 Kd7 loss in 1 half-moves
9 Kd8 loss in 1 half-moves